Smule has Glee Karaoke (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE for a limited time.

Glee Karaoke makes you sound like a star. Sing your heart out to songs from the hit TV show while a little magic helps you sound amazing. Do you have what it takes to make it to the top? You’ll find out as you compete with people all over the world! Enjoyed over 5.5 million times, Glee Karaoke lets you sing, compete and share with the world.